Upgrade your Focus ST's braking setup without breaking the bank

The stock blank rotors and factory semi-metallic brake pads on the 2013-2019 Focus ST are decent enough for the average daily driver, but if you drive the turbocharged EcoBoost ST the way it was meant to be driven, upgrading to a high-performance braking system is the only way to safely control all of that power. The good news is that, here at Stage 3, we have you covered with one of the greatest rotor and brake pad selections on the market. StopTech's Slotted Front Rotors and Slotted Rear Rotors feature exclusive Vac-U-Slots that are machined into the rotor and help evacuate gasses and dust, shed heat, and keep the brake pad surface clean which is especially helpful in wet weather conditions. They are up to 8 pounds lighter than stock and improve your cooling, braking, acceleration, and handling. Paired up with the innovative and exciting Hawk HPS Front Brake Pads and HPS Rear Brake Pads, you get the kind of one-two punch combination that you need to knock out the competition on the streets or racing at the track.

How to find the right size rotors for your Focus ST

The root of the confusion behind the Focus ST's braking system is the split in rotor size that came about mid-2014. When Ford decided to increase the size of the ST's front rotors from approximately 12.6" to 13.2" , they did it in the middle of a model year, causing a split in the 2014 model year as to which size rotors are equipped.

The change in rotor size was implemented starting 3/31/2014, meaning if your ST was built after that date, your front rotors are 13.2-inches in diameter. Any STs built before 3/31/14 come with 12.6" rotors. The easiest way to check your ST's build date is to go here and enter your car's VIN.

Be sure to carefully read the product pages to make sure you aren't buying the wrong size rotors. And remember, this only applies to the front rotors, which can be found individually and as components in kits. The rear rotors have maintained the same 10.7" diameters since the ST was introduced in 2013. That's why you'll see our rear brake kits and rear rotors labeled "2013-2017," while the front kits will either be "2013-2014" or "2014.5-2017."